There are so many different posts about "Things I did to reach $x in MRR". Unfortunately, there's no "one size fits all" to be successful whatever success means.
What I saw the other day is the opposite — Things we didn't do while reaching $2M ARR by @PhilippeLehoux — which I think is more useful.
What are the things you didn't do to reach $x in MRR?
I can start:
Despite of all those didn't do's, I reached $1M ARR back in 2013/14.